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CAL FIRE Weather & Vegetation Input Data

The following table lists the weather input source data. The primary weather forecast data is provided daily from DTN's advanced weather modeling prediction system.

Weather Forecast & Vegetation Input Data

Dataset

Resolution

 Description

Hourly weather prediction

Raster 2 km

Weather prediction model outputs for a 100-hour horizon provided daily as a continuous raster dataset.  The follow data fields are included:

·       Wind speed and direction

·       Temperature

·       Relative Humidity

 

Dead Fuels

Raster 2 km

Based on the WRF inputs, Technosylva calculates the dead fuel variables for Fire Behavior calculations

§ 1-hr Fuel Moisture

§ 10-hr Fuel Moisture

§ 100-hr Fuel Moisture

Herbaceous and Woody Live Fuel Moisture

Raster 2 km

Herbaceous and woody live fuel moisture prediction data as a continuous raster dataset with daily values

Weather Station (Synoptic)

Points

Hourly Weather station observation data provided by Synoptic data.

WFAS Severe Fire Weather Index (USFS)

Raster 1 km

Daily calculations of the NFDRS2016 Severe Fire Weather index provided by WFAS- Missoula Fire Lab. The number of days and other variables in the WFAS (as SWF, ERC or BI) can be added.